Granted Patent
Utility
US 6,619,880 · App. 10/178,866
Pavement markings wetting device and method
Inventor:
Hans JENSEN
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Jun 24, 2002
Inventor
Hans JENSEN
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.